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afs: Fix memory leak in afs_put_sysnames() 

[ Upstream commit 2ca068be09 ]

Fix afs_put_sysnames() to actually free the specified afs_sysnames
object after its reference count has been decreased to zero and
its contents have been released.

Fixes: 6f8880d8e6 ("afs: Implement @sys substitution handling")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Zhihao Cheng 2020-06-02 09:30:45 +08:00 committed by Greg Kroah-Hartman
parent 3b50b29a20
commit 445a847a55
1 changed files with 1 additions and 0 deletions
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fs/afs/proc.c
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@ -562,6 +562,7 @@ void afs_put_sysnames(struct afs_sysnames *sysnames)
if (sysnames->subs[i] != afs_init_sysname &&
sysnames->subs[i] != sysnames->blank)
kfree(sysnames->subs[i]);
kfree(sysnames);
}
}